Now you can build your own room temperature monitor using an Arduino board. The circuit is a combination of an Arduino UNO board, LM35 temperature sensor, and a 16×2 Hitachi compatible LCD. It will ...

CGA monitors may not be an amazing technological advance these days, but they can generally be found very cheaply. Additionally, they have a DB-9 connector and work off of TTL ranges (0-5VDC) makin… ...

Arduino UNO R4 Minima – €18. Power, ... In terms of wireless connectivity, the UNO R4 WiFi’s built-in ESP32-S3 module allows makers to remotely monitor and control their projects.

Still, it's a handy project if you need to monitor and track the air quality in your home. Hit up the link below for the Arduino source code, a build guide, and all the details of the tests.

If you want to DIY solution to your energy consumption, here's how modders created a home energy monitor from an Arduino, some wiring, and a little custom code.

– Arduino Uno or similar such as the new Arduino 101 or Genuino – £28 or $40 (cheaper clones are available) – Arduino 16×2 LCD screen with keypad £2.50 or $3.60 – 15m of 3 core cable ...